| // Copyright (c) 2018, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| #ifndef RUNTIME_VM_COMPILER_ASSEMBLER_DISASSEMBLER_KBC_H_ |
| #define RUNTIME_VM_COMPILER_ASSEMBLER_DISASSEMBLER_KBC_H_ |
| |
| #include "vm/globals.h" |
| #if defined(DART_USE_INTERPRETER) |
| |
| #include "vm/compiler/assembler/disassembler.h" |
| |
| namespace dart { |
| |
| // Disassemble instructions. |
| class KernelBytecodeDisassembler : public AllStatic { |
| public: |
| // Disassemble instructions between start and end. |
| // (The assumption is that start is at a valid instruction). |
| // Return true if all instructions were successfully decoded, false otherwise. |
| static void Disassemble(uword start, |
| uword end, |
| DisassemblyFormatter* formatter, |
| const Code& bytecode); |
| |
| static void Disassemble(uword start, |
| uword end, |
| DisassemblyFormatter* formatter) { |
| Disassemble(start, end, formatter, Code::Handle()); |
| } |
| |
| static void Disassemble(uword start, uword end, const Code& bytecode) { |
| #if !defined(PRODUCT) |
| DisassembleToStdout stdout_formatter; |
| LogBlock lb; |
| Disassemble(start, end, &stdout_formatter, bytecode); |
| #else |
| UNREACHABLE(); |
| #endif |
| } |
| |
| static void Disassemble(uword start, uword end) { |
| #if !defined(PRODUCT) |
| DisassembleToStdout stdout_formatter; |
| LogBlock lb; |
| Disassemble(start, end, &stdout_formatter); |
| #else |
| UNREACHABLE(); |
| #endif |
| } |
| |
| static void Disassemble(uword start, |
| uword end, |
| char* buffer, |
| uintptr_t buffer_size) { |
| #if !defined(PRODUCT) |
| DisassembleToMemory memory_formatter(buffer, buffer_size); |
| LogBlock lb; |
| Disassemble(start, end, &memory_formatter); |
| #else |
| UNREACHABLE(); |
| #endif |
| } |
| |
| // Decodes one instruction. |
| // Writes a hexadecimal representation into the hex_buffer and a |
| // human-readable representation into the human_buffer. |
| // Writes the length of the decoded instruction in bytes in out_instr_len. |
| static void DecodeInstruction(char* hex_buffer, |
| intptr_t hex_size, |
| char* human_buffer, |
| intptr_t human_size, |
| int* out_instr_len, |
| const Code& bytecode, |
| Object** object, |
| uword pc); |
| |
| static void Disassemble(const Function& function); |
| |
| private: |
| static const int kHexadecimalBufferSize = 32; |
| static const int kUserReadableBufferSize = 256; |
| }; |
| |
| } // namespace dart |
| |
| #endif // defined(DART_USE_INTERPRETER) |
| |
| #endif // RUNTIME_VM_COMPILER_ASSEMBLER_DISASSEMBLER_KBC_H_ |